High control accuracy, good sealing performance, simple structure, strong versatility.
Prouction Description
High-pressure single-seat control valve is a top-guided, plunger-type high-pressure single-seat control valve. It has the characteristics of high control accuracy, good sealing performance, simple structure, and strong versatility. The adoption of porous pressure sleeve and noise reduction seat greatly improves the anti-cavitation and noise reduction performance of the inner parts. It is suitable for high pressure harsh working condition fluid control which requires high control accuracy. It has hundreds of applications in petrochemical, petroleum, refining, coal chemical, metallurgy and other industries.
TECHNICAL PARAMETERS
Nominal Size | DN25 ~ DN80 |
Pressure Rating | PN/160/250/CL900(PN150)/1500(PN260)/2500(PN420) |
Operateing Temperature | -196℃~ 593℃ |
Characteristics | Equal percentage, linear, quickly open |
Rangeability | 50:1 |
Seat Leakage Class | ANSI B16.104: IV、V、VI |
Body Material | WCB/WCC/LCB/LCC;WC6/WC9;CF8/CF8M;4A/5A etc. |
Trim Material | 630/316/316+ST/316nitriding/316+Ni60/316+WC etc. |
Seal Material | Flexible graphite ring packing, graphite +PTFE braided packing etc. |
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